| Name | Description | |
|---|---|---|
 | Capacity | Gets or sets the number of elements that the CustomPropertyDefinitionCollection can contain. (Inherited from System.Collections.CollectionBase) |
| Count | Gets the number of elements contained in the CustomPropertyDefinitionCollection instance. This property cannot be overridden.` (Inherited from System.Collections.CollectionBase) |
| Item | Gets or sets a specific MatrixCell object in the MatrixCellCollection by position. |